Growing a Free Software community, lessons learnt from the Koha community. It is widely acknowledged that one of the most important parts of a Free software project is the community. But how does that community evolve? What dangers does it face? How do you deal with the multicultural and multilingual realities of a worldwide community? Koha is a 11 year old project to build a free software ILS. As the project has grown in popularity it has had to overcome several challenges. This presentation will cover how we have grown the community, how we have overcome these challenges and where we can go from here.